body *{
    margin: 0;
    padding:0;
    font-family: 'Arial',微软雅黑;
}
body{
    background: url("../img/banner.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
}


/*header部分*/
nav{
    width:100%;
    margin: 0;
    height:50px;
    position: fixed;
}
nav ul{
    position: absolute;
    right: 0;
    margin: 0;
    padding:0;
}
nav ul li,nav .logo{
    line-height: 50px;
    margin-right:20px;
    list-style: none;
    display: inline-block;
}
.logo{
    color:#fff;
    float:left;
    margin-left:20px;
    font-size:20px;
    font-weight: 700;
    letter-spacing: 1px;
}
.logo a{
    text-decoration: none;
    color:#fff;
}
nav ul li a{
    color:#fff;
    text-decoration: none;
    line-height:inherit;
}
.inner{
    margin: 0 auto;
    max-width:300px;
    text-align: center;
    position: relative;
    top:160px;
}
.inner hr{
    margin:0;
    width: 100%;
    border: 2px #FFF solid;
}
.inner h1{
    margin:20px;
    padding:0;
}
.p-content{
    line-height: 30px;
    margin:20px 0;
}
.more{
    margin-top: 280px;
    float: bottom;
}
.banner{
    color:#fff;
    height:700px;
    background: rgba(0,0,0,0.1);
}
button{
    background:transparent;
    color:#eee;
    padding:10px 40px;
    border: 3px #fff solid;
}

/*content部分*/
.green-content{
    background: #089DB0;
    text-align: center;
    color:#fff;
    padding:100px 0;
}
.wrapper{
    max-width:1080px;
    margin:auto;
}
.wrapper div h2{
    margin:20px 0;
}
.wrapper div hr{
    margin:10px auto;
    border:2px solid #078494;
    width:60%;
}
.wrapper div p{
    margin-top: 20px;
    font-size:18px;
}
.icon-group{
    margin-top:100px;
}
.icon-group .icon{
    margin:20px;
    background: #0D6F7C;
    display: inline-block;
    width:80px;
    height: 80px;
    transform: rotate(45deg);
}
.grey-content{
    background:#252F34;
}
.article-preview{
    width:100%;
    font-size: 0;
}
.article-preview >div{
    float: left;
}
.clear-fix:after{
    content: '';
    display: block;
    clear: both;
}
.article-preview:nth-child(odd){
    background-color:rgba(255,255,255,0.04);
}
.img-preview{
    width:45%;
}
.img-preview img{
    width:100%;
}
.text-preview{
    color:#fff;
    width:50%;
    margin:70px 30px;
}
.text-preview h2{
    font-size: 24px;
    margin:30px 0;
}
.text-preview span{
    display: inline-block;
    font-size: 22px;
    margin:20px 0;
}
.text-preview p{
    font-size:18px;
    letter-spacing: 1px;
}
.purple-content{
    background: #373259;
    color:#fff;
}
.purple-content>div{
    width:100%;
}
.purple-title{
    width:40%;
    margin:auto;
    text-align: center;
}
.purple-title h2{
    padding:100px 0 50px 0;
}
.purple-title P{
    font-size:20px;
    padding:20px;
}
.card-content{
    width:60%;
    margin:auto;
    text-align: center;
    padding-bottom: 100px;
}
.card{
    float: left;
    width:50%;
    height:300px;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    padding:50px;
    word-break: break-all;
    -webkit-word-break:break-all;
    -moz-word-break:break-all;
}
.card h3{
    text-align: left;
    margin-bottom: 40px;
    font-size:28px;
}
.card:first-child{
    background:rgba(0,0,0,0.05);
}
.card:nth-child(2){
    background:rgba(0,0,0,0.09);
}
.card:nth-child(3){
    background:rgba(0,0,0,0.13);
}
.card:nth-child(4){
    background:rgba(0,0,0,0.17);
}
.card:nth-child(5){
    background:rgba(0,0,0,0.21);
}
.card:nth-child(6){
    background:rgba(0,0,0,0.25);
}

.transpent-content{
    height:500px;
}
.transpent-content div{
    padding-top:50px;
}
.left{
    float: left;
    width:40%;
    padding-left:100px;
}
.right{
    float: right;
    margin-right:300px;
}
.left h2{
    margin-bottom: 50px;
}
.right ul li{
    list-style: none;
    margin:50px;
}

footer{
    background:#555555;
    height:200px;
}
footer div{
    text-align: center;
    line-height: 200px;
}

.sidebar{
    position: fixed;
    top:0;
    right:-300px;
    bottom:0;
    width:300px;
    background: #333;
    transition: right 0.5s;
}
.sidebar ul{
    list-style: none;
}
.sidebar ul a{
    color:#fff;
    text-decoration: none;
}
.sidebar ul li{
    padding:20px 30px;
    width:100%;
}
.sidebar ul li:hover{
    background: #666;
}
.mask{
    display: none;
    position: fixed;
    left:0;
    top:0;
    right:0;
    bottom:0;
    background: rgba(0,0,0,0.3);
}
.backtop{
    background: #333;
    border:1px solid #888;
    font-family: 'Arial', 微软雅黑;
    position: fixed;
    right:50px;
    bottom:100px;
    display: none;
}